diff --git a/bigbluebutton/api/attendee.py b/bigbluebutton/api/attendee.py
index 47f42f4ff15c145548a87b4d11e70eef437af695..4f563ae78d7715adbce228963537df96f9d67f6c 100644
--- a/bigbluebutton/api/attendee.py
+++ b/bigbluebutton/api/attendee.py
@@ -189,6 +189,7 @@ class Attendee:
                     raise ValueError("createTime does not match actual meeting parameters")
             else:
                 snake_name = camel_to_snake(name)
-                kwargs[snake_name] = to_field_type(cls, snake_name, value)
+                if hasattr(cls, snake_name):
+                    kwargs[snake_name] = to_field_type(cls, snake_name, value)
 
         return kwargs